Commit 401d07d5 authored by Pavan Holla's avatar Pavan Holla Committed by Greg Kroah-Hartman
Browse files

platform/chrome: Update ChromeOS EC header for UCSI 



Add EC host commands for reading and writing UCSI structures
in the EC. The corresponding kernel driver is cros-ec-ucsi.

Also update PD events supported by the EC.

Acked-by: default avatarTzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: default avatarPavan Holla <pholla@chromium.org>
Signed-off-by: default avatarŁukasz Bartosik <ukaszb@chromium.org>
Link: https://lore.kernel.org/r/20241231131047.1757434-2-ukaszb@chromium.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 533561a8

include/linux/platform_data/cros_ec_commands.h

+27 −1
Original line number Diff line number Diff line
@@ -5044,6 +5044,9 @@ struct ec_response_pd_status { 
#define PD_EVENT_POWER_CHANGE      BIT(1)

#define PD_EVENT_IDENTITY_RECEIVED BIT(2)

#define PD_EVENT_DATA_SWAP         BIT(3)

#define PD_EVENT_TYPEC             BIT(4)

#define PD_EVENT_PPM               BIT(5)



struct ec_response_host_event_status {

	uint32_t status; /* PD MCU host event status */

} __ec_align4;
@@ -6105,6 +6108,29 @@ struct ec_response_typec_vdm_response { 


#undef VDO_MAX_SIZE



/*

 * UCSI OPM-PPM commands

 *

 * These commands are used for communication between OPM and PPM.

 * Only UCSI3.0 is tested.

 */



#define EC_CMD_UCSI_PPM_SET 0x0140



/* The data size is stored in the host command protocol header. */

struct ec_params_ucsi_ppm_set {

	uint16_t offset;

	uint8_t data[];

} __ec_align2;



#define EC_CMD_UCSI_PPM_GET 0x0141



/* For 'GET' sub-commands, data will be returned as a raw payload. */

struct ec_params_ucsi_ppm_get {

	uint16_t offset;

	uint8_t size;

} __ec_align2;



/*****************************************************************************/

/* The command range 0x200-0x2FF is reserved for Rotor. */